Radeon HD 3470 512MB vs Radeon R7 M265

Intro

Compare those specs to the Radeon R7 M265, which features a GPU core clock speed of 725 MHz, and 2048 MB of DDR3 RAM running at 1000 MHz through a 128-bit bus. It also is comprised of 384 Stream Processors, 24 Texture Address Units, and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the Radeon R7 M265 should be a small bit faster than the Radeon HD 3470 512MB overall. (explain)

Radeon R7 M265		32000 MB/sec
Radeon HD 3470 512MB		30400 MB/sec
	Difference: 1600 (5%)

Texel Rate

The Radeon R7 M265 is much (approximately 444%) more effective at texture filtering than the Radeon HD 3470 512MB. (explain)

Radeon R7 M265		17400 Mtexels/sec
Radeon HD 3470 512MB		3200 Mtexels/sec
	Difference: 14200 (444%)

Pixel Rate

The Radeon R7 M265 is much (approximately 81%) more effective at anti-aliasing than the Radeon HD 3470 512MB, and will be able to handle higher resolutions without losing too much performance. (explain)

Radeon R7 M265		5800 Mpixels/sec
Radeon HD 3470 512MB		3200 Mpixels/sec
	Difference: 2600 (81%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the max amount of data (measured in MB per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory clock speed. In the case of DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This number is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.